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тАО01-27-2004 10:38 PM
тАО01-27-2004 10:38 PM
I have a problem with a Proliant 800 with PII 400 MHz CPU, which used to work fine. When I turn on the power, the fans start, but nothing happens (no POST, nothing on screen). The CD-ROM LED is blinking in +/- 1 sec. intervals.
When I look at the motherboard, both the CPU 1 LEDs (PWR and ERR) are off. I've noticed that the red ERR LED blinks for a very short time when I put the power on and off (but I don't know if this is normal behaviour).
Could this be a problem with the CPU or VRM? I would think it's the VRM, because the PWR LED isn't green, but I don't know if my thoughts are correct.
Thanks in advance.
Solved! Go to Solution.
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тАО01-28-2004 01:43 AM
тАО01-28-2004 01:43 AM
SolutionOpen the box and make sure your processor speed switches are set correctly.
1 - On
2 - Off
3 - On
4 - On
5 - Off
6 - Off
Do you get any POST beeps? (long / short)
Does the screen flicker at all when you hit power?
You could be right about a PPM or Processor, but it could also be an unseated card or a weak power supply... or worse yet, the bios chip...
ftp://ftp.compaq.com/pub/supportinformation/techpubs/maintenance_guides/320984-001_rev1_us.pdf
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тАО01-28-2004 02:07 AM
тАО01-28-2004 02:07 AM
Re: Proliant 800 CPU/VRM problem?
The switches are set correct.
When I hit power, I don't get any beeps and the screen doesn't flicker.
Unfortunately, I don't have another system here to do some CPU switching...
Jelle
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тАО01-28-2004 03:22 AM
тАО01-28-2004 03:22 AM
Re: Proliant 800 CPU/VRM problem?
Please reseat the CPU, RAM, VRM and all the obvious cables or boards in the system. Not only the VRM it could be anything.
Regards,
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тАО01-29-2004 06:16 AM
тАО01-29-2004 06:16 AM
Re: Proliant 800 CPU/VRM problem?
Have you tried installing another video card in the box on the PCI bus?
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Do you need help with your HP product?
Try this: http://www.hp.com/support/hpgt
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тАО01-29-2004 07:53 PM
тАО01-29-2004 07:53 PM
Re: Proliant 800 CPU/VRM problem?
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тАО02-09-2004 05:36 AM
тАО02-09-2004 05:36 AM
Re: Proliant 800 CPU/VRM problem?
I also have tried another CPU, when I use this one the system won't boot either.
Anyone have any suggestions about what to do now?
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тАО02-10-2004 07:45 AM
тАО02-10-2004 07:45 AM
Re: Proliant 800 CPU/VRM problem?
With the new VRM and CPU, I manage to get the Compaq Proliant splash screen (which is shown before you see the info about the processor etc.), but when this screen disappears, the system switches the power off. Some kind of overheating/overpowering protection?
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тАО02-10-2004 07:50 AM
тАО02-10-2004 07:50 AM
Re: Proliant 800 CPU/VRM problem?
Can you please post the part nos you have installed i.e. CPU/VRM in your system. Also do you have any third party Hardware in the system??
Regards,
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тАО02-10-2004 07:10 PM
тАО02-10-2004 07:10 PM
Re: Proliant 800 CPU/VRM problem?
The CPU is: 400/512/100/2.0V S1
The VRM is: 225431-001
The old CPU was: 80523PY400512PE SL2U6
and the old VRM: 327563-001 (spare number: 327660-001)
As far as I know, all hardware is/was original.